Sentences with phrase «against virus strains»

Not exact matches

You may have heard that this year's flu shot may isn't very effective against the most dangerous strain of the virus, but it's still worth getting — even this late in the season — for both yourself and your child.

Also exciting was labwork that showed Amla extract «demonstrated antiviral activity against hepatitis B, influenze A strains, herpes simplex, and other viruses.»

The flu vaccine can protect against several strains of the flu virus.

This year's vaccine combines protection against the H1N1 virus and several strains expected to be most common during this flu season which runs through March.

That development is important because a T cell response will likely confer longer - term protection than current inoculations do and defend against a variety of flu strains (because T cells would be on the lookout for several different features of the flu virus whereas antibodies would be primarily focused on the shape of a specific strain).

Both drift and shift make these proteins unrecognizable to the antibodies present in people that were previously inoculated against the flu virus, which now circulates as more than 90 strains.

There is only a preliminary form of a vaccine against H5N1 flu strains, and even if there were a developed vaccine, the virus might spread faster than public - health officials could get people inoculated.

These antibodies protect against certain strains of influenza virus in the vaccine, but may not provide thorough protection against other strains of flu that may be present.

«It was not known whether any of these vaccines could provide protection against the new outbreak West African Makona strain of Ebola Zaire currently circulating in Guinea,» said John Eldridge, Chief Scientific Officer - Vaccines at Profectus Biosciences, Inc. «Our findings show that our candidate vaccines provided complete, single dose protection from a lethal amount of the Makona strain of Ebola virus.»

«There are four distinct strains of dengue virus, and infection with one does not provide lasting protection against the others,» Professor Cooper said.

Understanding what combination of mutations could transform H5N1 into a human pandemic virus gives epidemiologists a leg up on preparing countermeasures; they can, for example, test existing vaccines against the new strain.

One reason vaccines using weakened flu virus are not used in the elderly is that they have been exposed to many strains of flu virus over the years and have more antibodies in the nasal tract, which can inhibit the weakened flu virus from infecting and stimulating the immune response necessary to protect against the virus.

This one - two punch protected the test subjects against influenza A viruses that had emerged in 1934 and 2007, and other experiments showed that the antibodies it generated successfully neutralized a wide variety of flu strains.

A small number of people infected with HIV produce antibodies with an amazing effect: Not only are the antibodies directed against the own virus strain, but also against different sub-types of HIV that circulate worldwide.

Some strains of Agarikon, for example, show strong activity against influenza viruses; others do not.

National Institutes of Health (NIH) scientists report that a single dose of an experimental Ebola virus (EBOV) vaccine completely protects cynomolgus macaques against the current EBOV outbreak strain, EBOV - Makona, when given at least seven days before exposure, and partially protects them if given three days prior.

This means that when an unexpected flu strain appears, such as the 2009 pandemic - causing H1N1 virus, there is no way to rapidly produce a vaccine against it.

One of the vaccines, which is based on a recombinant vesicular stomatitis virus expressing the glycoprotein of the Zaire strain of the Ebola virus (VSV - ZEBOV), was recently shown to be extremely effective with 100 per cent efficacy against the lethal Ebola virus disease in WHO - funded studies carried out in Guinea and Sierra Leone.

As a final confirmation of the compound's potential to stop a virus from spreading, they tested it against an actual virus: the nonpathogenic vaccine strain of the Junin virus.

Researchers around the world, including at the University of Rochester Medical Center (URMC), are pursuing a «universal» flu vaccine, one that would protect against most or all seasonal and pandemic strains of the flu virus.

The vaccine protects against four common strains of the virus, considered the most common sexually transmitted disease in the United States.

In an ambitious study, the authors attempt to trace drug resistance against all strains of the flu by using an extensive influenza virus database containing all known genetic sequence information (70,000 complete nucleotide sequences) for influenza strains.

When flu researchers learned about this new sugar - adorned H3N2 virus in 2014, they made sure to include that strain in the 2016 — 17 seasonal flu vaccine so that immunized individuals would mount an immune response against it.

According to WHO statistics, 300 million people are vaccinated against the flu each year, receiving an immunization with a cocktail of weakened strains of influenza A (varieties H3N2 and H1N1), along with the influenza B virus to protect against a full infection.

Although the experiment used an older Ebola virus that differs from the strain now in West Africa, the researchers showed in a test - tube study that ZMapp also worked against the more recently isolated virus.

Now, Luis Teixeira's research team studied the genetic variability of Wolbachia strains and discovered that bacteria that give stronger protection against virus grow to higher concentrations and often shorten the host's lifespan.

Although vaccines are being developed to fight dengue virus, none are currently available that provide balanced protection against all four dengue viral strains, or serotypes.

In addittion, the new compounds keep the activity against the wild - type strain of the virus», explains Professor Santiago Vázquez.

The transmissible viruses were sensitive to the antiviral drug oseltamivir and reacted well with antisera raised against H5 influenza vaccine strains.

Influenza pandemics occur when a totally new strain of the virus emerges, against which nobody's immune system is fully prepared; that's why both the healthy and the weak are vulnerable.

This protein can protect cultured human cells from avian influenza viruses but is ineffective against strains that have acquired the ability to infect humans.

ohnson & Johnson will soon start testing a vaccine the world badly needs — one that protects against the worst strains of Ebola and its very dangerous cousin, the Marburg virus.

It is designed to protect against Ebola Zaire — the strain that caused the massive West African outbreak — and Ebola Sudan, a slightly less frequently seen, but almost as deadly, strain, and the related Marburg virus.

In conclusion, the antibodies characterized herein show promise for development as broadly reactive therapeutic agents against the pandemic H1N1 influenza virus, as well as against the majority of H1N1 and H5N1 influenza strains.

But scientists predict that the avian - flu virus could someday give rise to a fast - spreading strain against which people would have less immunity than they do to a typical winter flu.

The investigators found that the immunized monkeys mounted antibody responses against diverse strains of HIV and the monkeys also mounted cellular immune responses to multiple regions of the virus.

An earlier preclinical study found that rhesus monkeys that were vaccinated with ZPIV developed a strong immune response and were protected against two strains of Zika virus.

But because these human strains frequently mutate to adapt to their new environment in eggs, the resulting vaccine is often an imperfect match to the actual virus that it is supposed to protect against.

«We have tested our diagnostic systems against closely - related strains of the Dengue virus and found that within the first two steps, our system can readily distinguish Zika from Dengue,» says co-first author of the study Alexander Green.

In preliminary tests, it was found to protect animals against various strains of the virus - and may also protect against future pandemic strains.

Ahmedâ $ ™ s team had showed that people infected by the 2009 H1N1 flu strain developed broadly protective antibodies, and separately, so did volunteers immunized against the H5N1 avian flu virus.

«It also was effective against known drug - resistant strains of the HIV virus, making it a very promising candidate for further development into a new HIV drug.»

The current vaccine only protects against one strain of the virus and no effective anti-viral medications exist for people who are already infected.

Scientists at Southern Research are heavily involved in the global fight against Zika, and are examining five different strains of the virus in a broad - based effort to penetrate the mysteries -LSB-...]

A preclinical study in mice, published earlier this week in Nature, showed that a single dose of ZPIV generated an immune response, which protected the mice against subsequent Zika challenge with a Brazilian strain of the virus.

Although some vaccines are in use in Asia, we do not know whether they would work against the U.S. strains of the virus.»

Influenza vaccines that better target the influenza surface protein called neuraminidase (NA) could offer broad protection against various influenza virus strains and lessen the...

The CDC recommends that girls be immunized against HPV at age 11 or 12, before they are sexually active, but girls and women ages 9 to 26 are approved to get the vaccine, in hopes they haven't yet caught the cancer - causing strains of the virus.

«Influenza yearly protection is important for preventing the flu,» said Spicehandler, who is co-chief of infectious diseases at Northern Westchester Hospital in Mount Kisco, N.Y. «Each year the vaccine is made up of different strains to protect against what viruses are prevalent.»

Introducing the Gardasil vaccine Gardasil, the HPV vaccine introduced in 2006, protects against the two strains of the virus that are most likely to cause cancer, as well as the two strains of the virus that are the culprits in most cases of genital warts.